Tool mounting base



FIG. 1 is a left side elevational view of a first embodiment of the tool mounting base showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevational view of another embodiment of the tool mounting base including a clamping attachment;

FIG. 8 is a front elevational view thereof;

FIG. 9 is a right side elevational view thereof;

FIG. 10 is a rear elevational view;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a bottom plan view thereof. 

The ornamental design for a tool mounting base, as shown. 